djvu | 0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04

General

Target

0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
Size

707KB
MD5

1534a3acfde4ce180b5e9619954df27f
SHA1

8d4ceb341b7ac57aab2f94236e7e8b1ede75051f
SHA256

0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04
SHA512

ffedda4d8936eed91291fe79146b508eaf4d3bf8c378ae1f946ff1a45844597183ce87f974f4acef7f8956b3bb8afbfe1c339ccf9b9a1374f7a80a8a48f86373
SSDEEP

12288:HUsJbvW1Haefnh1S3rKZGvRemBKgeTZA63TXNbL0IqrMNuDuEcQuB2t79:HUs9hq6KErQDVA63TdBqrMNcuEcJ6

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test2/get.php

Attributes

extension
.vehu
offline_id
EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1
payload_url
http://sdfjhuz.com/dl/build2.exe

http://cajgtus.com/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0872PsawqS

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5016-3-0x0000000004A50000-0x0000000004B6B000-memory.dmp	family_djvu
behavioral2/memory/1884-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1884-2-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1884-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1884-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1884-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-32-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1092 icacls.exe

pid	process
1092	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\df5e6500-47f9-4d60-94de-a5b447cfd77a\\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe\" --AutoStart"	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.2ip.ua
7 api.2ip.ua
22 api.2ip.ua

flow	ioc
2	api.2ip.ua
7	api.2ip.ua
22	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

Processes:

0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

description	pid	process	target process
PID 5016 set thread context of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 set thread context of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

pid	process
1884	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
1884	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
2492	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
2492	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

C:\Users\Admin\AppData\Local\Temp\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
"C:\Users\Admin\AppData\Local\Temp\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5016

C:\Users\Admin\AppData\Local\Temp\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
"C:\Users\Admin\AppData\Local\Temp\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\df5e6500-47f9-4d60-94de-a5b447cfd77a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1092

C:\Users\Admin\AppData\Local\Temp\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
"C:\Users\Admin\AppData\Local\Temp\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3184

C:\Users\Admin\AppData\Local\Temp\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
"C:\Users\Admin\AppData\Local\Temp\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
1KB

MD5
6728aea2631b86a76c237508d8ba9b55

SHA1
7a670f95cac088313f7558869162fe01c6dc0ec9

SHA256
e1dd7380c6df33cd5702b032e0e359029d3ef7630f06ceb42cfdc154fd0baf7b

SHA512
533080cd1ec40b8530cad5c9914e0a5156d225f7392283ed2607eda4f1db4a6930002274060ed9130a6f634222c2e15818e16a50579cfe7f5274d028d31212f5

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
410B

MD5
d9d03b4947c1b9e94c64541c0e1b92b2

SHA1
f43210d3b66ece0a00558bc80649384cfdf63b33

SHA256
6bff8605d1926cc78b5d22993ae6ce0ecf63bf619e719b11392c3e5c39c9e7ce

SHA512
a97c752855f16785a7da8fa12ea8cab8829a0e51f3f07f4c6a940df7997b024e838e45fde19a97218a1b0b3fb431bb22c2bebf1920dbd397de49ae59a2e893cc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
392B

MD5
6eb44119b4a7c31dd5b4ee5061607f11

SHA1
f1e7dd4641309c7a865a4d8e82fec9812fecf60e

SHA256
770e56abcaf940f6bccc016dafa56b66957552a38814cf4736d32c42a63ca04a

SHA512
59e00afcefe59a9ebc1be3e4511f12ca4bacde907b6aaed1f0eb7a2b342df2b07eb377c909b8d9d4a76ffeafc38acf9c55f0093e188bd8a63c569a461eb36315

Download Submit
C:\Users\Admin\AppData\Local\df5e6500-47f9-4d60-94de-a5b447cfd77a\0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
Filesize
707KB

MD5
1534a3acfde4ce180b5e9619954df27f

SHA1
8d4ceb341b7ac57aab2f94236e7e8b1ede75051f

SHA256
0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04

SHA512
ffedda4d8936eed91291fe79146b508eaf4d3bf8c378ae1f946ff1a45844597183ce87f974f4acef7f8956b3bb8afbfe1c339ccf9b9a1374f7a80a8a48f86373

Download Submit
memory/1884-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1884-2-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1884-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1884-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1884-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-32-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5016-3-0x0000000004A50000-0x0000000004B6B000-memory.dmp

Filesize
1.1MB

Download
memory/5016-1-0x00000000049B0000-0x0000000004A4B000-memory.dmp

Filesize
620KB

Download

description	pid	process	target process
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 5016 wrote to memory of 1884	5016	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 1884 wrote to memory of 1092	1884	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	icacls.exe
PID 1884 wrote to memory of 1092	1884	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	icacls.exe
PID 1884 wrote to memory of 1092	1884	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	icacls.exe
PID 1884 wrote to memory of 3184	1884	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 1884 wrote to memory of 3184	1884	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 1884 wrote to memory of 3184	1884	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe
PID 3184 wrote to memory of 2492	3184	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe	0e3335732170b14285993ce3fb9514ba7c31cff9ee7e53a7a0629801f2a02f04.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads